It’s comical the look on his face trying to explain Rock,Paper, Scissors…maybe it’s the way I explained it too.
okay, no…he didn’t know it.
Instead of “rock, paper, scissors” we decide flipping a quarter “Sol or Aguilar” (face or back)

I remember last time exactly! Year 2000, May: by Mount Rainier in Washington on a big camping trip…the kids wanted to play hide and seek at night so I went with them, in part for the fun, and in part in case any bears were out or they slipped in the Cowlitz river…LOL

Did you know to always chose back. Because face weighs more. There is a higher chance of it landing face down.

You should have seen the puzzled look when he found a two headed quarter while looking in my change jar! He just stared at it for a few minutes flipping it over and over then finally declaring Hmmmmmmffffff. He handed it to me and asked if the problem was him, or the quarter. I must have received it back in some change from the store, because I had no idea where it came from. Looked it up on the web, it’s a magicians trick quarter.

I wonder if the weight difference of the heads side vs tails side would be significant. During the spin, it will spin at the same speed from both sides no matter the weight. So it doesnt matter which side is lighter/heavier, durring the spin atleast. When it lands, I imagine the position of the quarter would determine what side ends up face up.

However, I think if you were to drop the quarter from your shoulder’s height with the quarter perfectly perpendicular to the ground, the weight would ultimately affect the outcome.

Side note, also a joke: How do you make a perpetual motion machine?
You glue a piece of toast, butter-side up, to the back of a cat and drop it.
Reasoning: Cats ALWAYS land on their feet. Buttered toast will ALWAYS land butter-side down. Neither outcome is possible since they are in conflict with eachother, so the cat/toast would just spin there forever. Lol.